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Pension Benefits (Net Periodic Benefit Costs Assumptions) (Details) - Defined Benefit Pension Plans [Member]
12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.18% 4.52% 2.58%
Expected long-term return on plan assets 5.00% 5.00% 5.00%